package com.kaigejava.celue.oo;

/**
 * Created by kaigejava on 2019/8/9.
 * 这里是绿头鸭
 */
public class GreenHeadDuck  extends  Duck{
    @Override
    public void display() {
        System.out.println("~~ i'm  GreenHeadDuck ~~ gaga");
    }
}
